流感病例在全国激增,报告有750万例疾病,引发了健康警报。 Flu cases surge nationwide, with 7.5 million illnesses reported, prompting health warnings.

美国各地的流感活动激增,疾病防治中心报告本季迄今至少有750万例疾病,全国病例急剧增加。 Flu activity has surged across the United States, with the CDC reporting at least 7.5 million illnesses so far this season, marking a sharp increase in cases nationwide. 感染率的上升促使卫生官员敦促接种疫苗和谨慎行事,特别是在高危人群中。 The rise in infections has prompted health officials to urge vaccination and caution, especially among high-risk groups.